In warm- blooded animals the skin helps to regulate the temperature of the body.

A skeleton has many bones.

2)Find the sentence in which the definite article is used.

The skeleton has an axial part and an appendicular portion.

3)Article of what class is used in the sentence:”This is an old skeleton.”?

Indefinite

4)Is the number of bones the same in all animals?

The number of bones is varying.

5)What does the appendicular portion of the skeleton consist of?

The appendicular portion of the skeleton consists of four limbs.

6)What is the skeleton composed of?

The skeleton is composed of bones.

7)State the sentence in which the article is omitted.

Skeleton varies even among individuals of one species and breed.

8)Point out the sentence in which the indefinite article is used.

You can see a remarkable skull in this museum.

9)What are these variations due to?

These variations are due to age.

10)Does the number of bones vary among individuals of the same species and breed?

The number of bones varies even among individuals of the same species and breed.

Тема2

11)How many bones does the carpus consist of?

The carpus consists of 6 bones, 4 in the upper row and 2 in the lower.

12)Find out the noun the spelling of which is changed in the plural.

Property

13)What noun has an irregular plural?

Ox

14) Point out the noun the plural ending of which is pronounced [z].

Ribs

15)What does the skin help to regulate in warm- blooded animals?

In warm- blooded animals the skin helps to regulate the temperature of the body.

16)What does the preposition between denote in the sentence:” There is a sharp boundary between the epithelial and the connective tissue portions of the skin.”?

Place

17)What kind of boundary is there between the epithelial and the connective tissue portions of the skin?

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